11861614804 has 24 divisors (see below), whose sum is σ = 23531140640. Its totient is φ = 5186454624.

The previous prime is 11861614781. The next prime is 11861614813. The reversal of 11861614804 is 40841616811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6001854 + ... + 6003829.

Almost surely, 2^11861614804 is an apocalyptic number.

It is an amenable number.

11861614804 is a deficient number, since it is larger than the sum of its proper divisors (11669525836).

11861614804 is a wasteful number, since it uses less digits than its factorization.

11861614804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005719 (or 12005717 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 11861614804 in words is "eleven billion, eight hundred sixty-one million, six hundred fourteen thousand, eight hundred four".